Technical Archives

Automatic Disconnection of Supply (ADS)

|Date: 24 February, 2018

Automatic Disconnection of Supply (ADS)

The protective measure Automatic Disconnection of Supply (ADS) is used in most electrical installations t ...

The protective measure Automatic Disconnection of Supply (ADS) is used in most electrical installations to provide protection against electric shock. This article provides an overview of how ADS is ac ...

24 February, 2018
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Heights of Electrical Equipment in Dwellings

|Date: 20 February, 2018

Heights of Electrical Equipment in Dwellings

The aim of this topic is to explain the requirements of BS 7671, Part M of the Building Regulations for E ...

The aim of this topic is to explain the requirements of BS 7671, Part M of the Building Regulations for England and Wales and BS 8300: 2009 (Design of buildings and their approaches to meet the needs ...

20 February, 2018
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Protective Multiple Earthings (PME)

|Date: 18 February, 2018

Protective Multiple Earthings (PME)

As the majority of low voltage supplies to both new and existing electrical installations are connected t ...

As the majority of low voltage supplies to both new and existing electrical installations are connected to a PME earthing terminal, this article discusses the operating characteristics of this particu ...

18 February, 2018
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Is Li-Ion King of Emergency Lighting?

|Date: 12 February, 2018

Is Li-Ion King of Emergency Lighting?

Richard Raeburn, Senior Application Engineer at Tridonic, looks at why battery technology should be one o ...

Richard Raeburn, Senior Application Engineer at Tridonic, looks at why battery technology should be one of the key considerations when selecting emergency lighting. The most usual form of emergency li ...

12 February, 2018
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How Often Should Periodic Inspection and Testing be Carried out?

|Date: 11 February, 2018

How Often Should Periodic Inspection and Testing be Carried out?

Contractors and members of the public sometimes ask how often an electrical installation should be subjec ...

Contractors and members of the public sometimes ask how often an electrical installation should be subjected to periodic inspection and testing. This article considers the factors that inﬂuence the de ...

11 February, 2018
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What’s In a Fan?

|Date: 10 February, 2018

What’s In a Fan?

A 4” fan is often seen as a standard, even simple piece of kit. However, Tom Emson, Product Marketing Man ...

A 4” fan is often seen as a standard, even simple piece of kit. However, Tom Emson, Product Marketing Manager at Vent-Axia, reveals why these fans are not as modest as they may ﬁrst appear. According ...

10 February, 2018
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Compliance with Building Regulations (England and Wales)

|Date: 8 February, 2018

Compliance with Building Regulations (England and Wales)

Whenever electrical work is undertaken on domestic premises in England or Wales it must comply with the p ...

Whenever electrical work is undertaken on domestic premises in England or Wales it must comply with the particular requirements of Part P of the Building Regulations 2010 (England & Wales) as amen ...

8 February, 2018
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External Installations and Cables

|Date: 5 February, 2018

External Installations and Cables

Cables installed outside, in the gardens and yards of domestic premises, are exposed to an increased risk ...

Cables installed outside, in the gardens and yards of domestic premises, are exposed to an increased risk of damage. Therefore, careful consideration should be given to the selection and erection of c ...

5 February, 2018
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Does your equipment need Re-calibration?

|Date: 4 February, 2018

Does your equipment need Re-calibration?

Paul Broad, MD of Re-CAL Calibration Services, looks at why a pro-active test equipment calibration polic ...

Paul Broad, MD of Re-CAL Calibration Services, looks at why a pro-active test equipment calibration policy is essential nowadays. Why is calibration of test equipment important? We regularly hear horr ...

4 February, 2018
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Requirements for Protection Against Overload

|Date: 2 February, 2018

Requirements for Protection Against Overload

The primary purpose of a protective device is to protect the circuit from damage, and for such purposes R ...

The primary purpose of a protective device is to protect the circuit from damage, and for such purposes Regulation 433.1.1 requires the operating characteristics of a device protecting a conductor aga ...

2 February, 2018
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